InChI=1/C20H27NO4/c1-15(3-4-16-5-9-19(24-2)10-6-16)21-13-18(23)14-25-20-11-7-17(22)8-12-20/h5-12,15,18,21-23H,3-4,13-14H2,1-2H3/p+1/t15-,18-/m0/s1/fC20H28NO4/h21H/q+1 D49304E5235A9DA5